- 4 A Shunt De Generator With Compensating Windings Has The Following Characteristics R4 0 2 0 Rf 252 Nrated 1800 1 (54.58 KiB) Viewed 28 times
4. A shunt de generator with compensating windings has the following characteristics: R4 = 0.2 0 RF = 252 nrated = 1800
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4. A shunt de generator with compensating windings has the following characteristics: R4 = 0.2 0 RF = 252 nrated = 1800
4. A shunt de generator with compensating windings has the following characteristics: R4 = 0.2 0 RF = 252 nrated = 1800 rpm The machine has the magnetization curve at 1800 rpm as shown in Figure 4. a) Find the terminal voltage and field current at no load. b) Find the terminal voltage and field current when the armature current is 50 A. c) Find the induced torque when the armature current is 50 A. d) From b) and c), find the efficiency of the generator if the friction torque (T) is 1.2 Nm. 160 150 140 130 120 110 100 90 . V Terminal and generated voltage 80 70 60 50 40 30 20 vious Exam 10 0 0 Shunt field current. A Figure 4.
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